Direct (nonstop) flights from Boston to Louisville
2 airlines fly nonstop from Boston Logan International Airport (BOS) to Louisville International Airport (SDF). It's 828 miles (1,333 km), about 2h 42m in the air. Operated by American Airlines, Delta Air Lines.
American Airlines
Delta Air Lines
Route data last updated: May 26, 2026
Airlines with non-stop flights
AA
American Airlines
DL
Delta Air Lines
Alternative Routes
Other ways to fly from Boston to Louisville with one stop · direct emits 153 kg CO₂ per passenger
Looking for the return flight?
SDF → BOS: Flights from Louisville to BostonOther direct flights from Boston
Direct flights from Louisville (SDF)
Frequently Asked Questions
How long is the direct flight from Boston to Louisville?
A nonstop flight from Boston (BOS) to Louisville (SDF) takes approximately 2 hours and 42 minutes. The distance is 828 miles (1,333 km).
Which airlines fly nonstop from Boston to Louisville?
2 airlines: American Airlines, Delta Air Lines.
Is there a nonstop flight from Boston to Louisville?
Yes. 2 airlines: American Airlines, Delta Air Lines.
How far is Boston from Louisville?
The flight distance from Boston to Louisville is 828 miles (1,333 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.
What type of aircraft flies from Boston to Louisville?
At 2h 42m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Boston to Louisville?
Roughly 153 kg CO2 per passenger one-way. That's about the same as driving 765 km.
Is the return flight from Louisville to Boston also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Boston to Louisville?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Boston Logan International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.